American Water Plantain

Alisma subcordatum, Alismataceae

Zones

4–9

Layer

Herbaceous

Lifespan

Perennial

Growth

Moderate

Guild Roles

Pollinator AttractorBeneficial Insect HabitatProducer

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

High (established)

Soil pH

6 – 8

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Crested Joint VetchAeschynomene cristata

Nitrogen Fixation

Giant cutgrassZizaniopsis miliacea

Wind ProtectionPhysical Support

American water-pennywortHydrocotyle americana

Nutrient AccumulationBeneficial Insect Habitat

Antagonistic Plants

River bulrushSchoenoplectus fluviatilis

Dense river bulrush stands can dominate wetland margins, outcompeting water plantains for space and resources

Great Water DockRumex hydrolapathum

Water dock's aggressive growth and oxalic acid production can inhibit water plantain establishment

Uses

Functions

Water FiltrationErosion ControlHabitatFood Production

Edible Parts

TubersYoung Leaves

Medicinal Uses

Digestive AidRespiratory SupportSkin Conditions

Common Questions

What zones does American Water Plantain grow in?

American Water Plantain grows in USDA hardiness zones 4 through 9.

What are good companion plants for American Water Plantain?

Good companions for American Water Plantain include Crested Joint Vetch, Giant cutgrass, American water-pennywort.

Design guilds with American Water Plantain and see companion relationships visually.

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